enable RevealAll pass always

Author: compiler-errors

compiler/rustc_mir_transform/src/reveal_all.rs

@@ -8,10 +8,6 @@ use rustc_middle::ty::{self, Ty, TyCtxt};
 pub struct RevealAll;
 
 impl<'tcx> MirPass<'tcx> for RevealAll {
-    fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
-        sess.mir_opt_level() >= 3 || super::inline::Inline.is_enabled(sess)
-    }
-
     fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
         // Do not apply this transformation to generators.
         if body.generator.is_some() {

tests/ui/polymorphization/generators.rs

@@ -32,6 +32,7 @@ where
 
 #[rustc_polymorphize_error]
 pub fn unused_type<T>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
+    //~^ ERROR item has unused generic parameters
     || {
         //~^ ERROR item has unused generic parameters
         yield 1;
@@ -57,6 +58,7 @@ pub fn used_type_in_return<R: Default>() -> impl Generator<(), Yield = u32, Retu
 
 #[rustc_polymorphize_error]
 pub fn unused_const<const T: u32>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
+    //~^ ERROR item has unused generic parameters    
     || {
         //~^ ERROR item has unused generic parameters
         yield 1;

tests/ui/polymorphization/generators.stderr

@@ -8,20 +8,34 @@ LL | #![feature(generic_const_exprs, generators, generator_trait, rustc_attrs)]
    = note: `#[warn(incomplete_features)]` on by default
 
 error: item has unused generic parameters
-  --> $DIR/generators.rs:35:5
+  --> $DIR/generators.rs:36:5
    |
 LL | pub fn unused_type<T>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
    |                    - generic parameter `T` is unused
+LL |
 LL |     || {
    |     ^^
 
 error: item has unused generic parameters
-  --> $DIR/generators.rs:60:5
+  --> $DIR/generators.rs:34:8
+   |
+LL | pub fn unused_type<T>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
+   |        ^^^^^^^^^^^ - generic parameter `T` is unused
+
+error: item has unused generic parameters
+  --> $DIR/generators.rs:62:5
    |
 LL | pub fn unused_const<const T: u32>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
    |                     ------------ generic parameter `T` is unused
+LL |
 LL |     || {
    |     ^^
 
-error: aborting due to 2 previous errors; 1 warning emitted
+error: item has unused generic parameters
+  --> $DIR/generators.rs:60:8
+   |
+LL | pub fn unused_const<const T: u32>() -> impl Generator<(), Yield = u32, Return = u32> + Unpin {
+   |        ^^^^^^^^^^^^ ------------ generic parameter `T` is unused
+
+error: aborting due to 4 previous errors; 1 warning emitted